Try getting the latest J-Link drivers; it works for many of our customers. -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk CrossWorks for MSP430, ARM, AVR and (soon) MAXQ processors > -----Original Message----- > From: Jan Szymanski [mailto:janek@...] > Sent: 05 February 2005 12:42 > To: lpc2000@yahoogroups.com > Subject: [lpc2000] Re: How to debug the debuging interface ? > > > > With CrossStudio and J-Link it seems to be not possible to > change the speed of JTAG. I have tried it with Wiggler and > have no luck at all. > > Jan. > > --- In lpc2000@yahoogroups.com, "Leon Heller" <leon.heller@d...> > wrote: > > ----- Original Message ----- > > From: "Jan Szymanski" <janek@b...> > > To: <lpc2000@yahoogroups.com> > > Sent: Saturday, February 05, 2005 9:45 AM > > Subject: [lpc2000] How to debug the debuging interface ? > > > > > > > > > > > > > I have samples of LPC2138 and I built a prototype board. > > > With an evaluation version of CrossStudio I created a simple > blinking > > > LEDs application. > > > Using Philips flash utility I am able to program the micro and it > > > works. Have problems however with debugging and programming > through > > > JTAG. I tried both JLink and Olimex wiggler compatible jtags, > which > > > are working fine with another board (IAR Kicstart Kit for > LPC2106) > > > using either IAR or RA software. > > > With 2138 board I am able to connect to JTAG (from CrossStudio > menu), > > > but when trying to do anything else, JTAG is loosing > communication > > > with the target. > > > My JTAG interface hardware is a copy of the one used on the Keil > > > MCB2130 evaluation board (see schematic here > > > http://www.keil.com/mcb2130/mcb2130-schematics.pdf ) I > checked the > > > connections and all looks OK. > > > The supply voltage (+3.3V) is very clean and connections between > > > microcontroller and JTAG socket are rather short. > > > Any hints or suggestions will be appreciated. > > > > Have you tried using a slower interface setting for the JTAG? > > > > Leon > > > > > > -- > > No virus found in this outgoing message. > > Checked by AVG Anti-Virus. > > Version: 7.0.300 / Virus Database: 265.8.5 - Release Date: > 03/02/2005 > > > > > > > Yahoo! Groups Links > > > > > > > > >
Message
RE: [lpc2000] Re: How to debug the debuging interface ?
2005-02-05 by Paul Curtis
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